diff --git a/tasks/maxcdn.js b/tasks/maxcdn.js
index f45060e..c2f6074 100644
--- a/tasks/maxcdn.js
+++ b/tasks/maxcdn.js
@@ -4,18 +4,22 @@ module.exports = function (grunt) {
 
   grunt.registerMultiTask('maxcdn', 'Interact with the MaxCDN API', function () {
 
+    var done = this.async();
     var options = this.options();
 
     if (!this.files) {
       grunt.fail.fatal('files is mandatory');
+      return done();
     }
 
     if (!options.zone_id) {
       grunt.fail.fatal('options.zone_id is mandatory');
+      return done();
     }
 
     if (options.method !== 'delete') {
       grunt.fail.fatal('Sorry! Only delete method is supported.');
+      return done();
     }
     
     var files = [];
@@ -35,14 +39,15 @@ module.exports = function (grunt) {
 
     maxcdn.delete(
       'zones/pull.json/' + options.zone_id + '/cache', 
-      { files: this.files },
+      { files: files },
       function (err, response) {
         if (err) {
           grunt.log.error(err);
-          return;
+          return done();
         }
 
         console.log(response);
+        done(true);
       });
   });